查询词典 quartz

The quartz pattern study showed that the activity age was early Pleistocene epoch—late Pliocene.

特别是石英形貌分析结果和电子自旋共振测年说明研究区内的断裂的主要活动时期是早更新世—晚上新世。

Plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz

n。 花岗石纹的法琅铁器，花岗石花纹的陶器

If you use a pocketknife to cut or scratch these two minerals, you will find that the pocketknife can scratch calcite and can not scratch quartz.

如果用一把小刀刻划这两种矿物就可发现，方解石可被小刀刻动而石英却不能。

Using a RF antenna,around outside a glass or a quartz tube,which is resonant with the right hand polarized wave propagating in a magnetized plasma,very high density plasma may be produced by Landau damping mechanism.

利用一种环绕于玻璃管或石英管外壁的射频天线与磁化等离子体中的右旋极化波的共振，可以非常有效地通过朗道吸收加热电子，产生高密度等离子体。

The perfect way to polish off your business or dress wardrobe, this Armitron watch offers reliable quartz movement and is rated water resistant to 50 meters.

最完美的方式把您的业务或抛光衣服的衣柜，这 Armitron手表提供可靠的石英机芯，额定防水50米。

The so-called Guci, with quartz lettuce mixture of porcelain clay.

所谓骨瓷，就是骨粉加上石英混合而成的瓷土。

According to logging results of 167 boreholes and chemical analyses of 24 369 samples as well as characteristics of element distribution at 4 000 m, 3 950 m and 3 900 m levels, the deposit is characterized by alteration, mineralization and element geochemistry of the porphyry. Alteration and mineralization are spatially and temporally related to the augen quartz phenocryst_bearing hornblendequartz diorite porphyrite (J3δομ).

根据167个勘探钻孔编录和化学分析（24369件化学分析样品）资料，以及对海拔4000 m、3950 m、3900 m水平面的Cu、Au、Ag、Mo、Mn、P b、Zn、W、K、Na、Ca、Rb元素分布规律的分析，显示矿体具有斑岩型矿床的蚀变、矿化以及元素地球化学特征，主要矿化和围岩蚀变在时间上和空间上均与含眼球状石英斑晶的角闪石英闪长玢岩（J3δομ）有关。

Volcanic rocks are of the high-K calc-alkaline series rock association, composed mainly of ryholitic and trachytic dacitic rocks, and the central intrusive body is olivine-andesite-trachytic quartz syenitic porphyrite.

火山岩为以流纹质和粗面英安质为主的高钾钙碱性系列岩石组合，中央侵入体为橄榄安粗岩系列石英正长斑岩，它们的A/CNK值集中在0.9～1.2之间，为铝饱和或铝过饱和类型。

This study was only focused on the No.Ⅰore body. Based on detailed logging and dating results, it is considered that mineralization of the Cu_Au porphyry occurred in Late Jurassic. The formation of the ore body is related to the Late Jurassic augen quartz phenocryst_bearing hornblende_quartz diorite porphyrite intrusion（J3δομ）.

通过对雄村铜金矿床Ⅰ号矿体详细的地质编录和测年成果，发现雄村斑岩型铜矿床形成于晚侏罗世，矿体的形成与晚侏罗世侵位的、含眼球状石英斑晶的闪长玢岩（J3δομ）有关，成矿岩体呈不规则的岩枝状，全岩矿化，岩体中Au的平均品位大于1g/t，Cu含量大于0.7 %。

The orebodies of the Gongpoquan copper orefield occur in the quartz dioritic porphyry body, granodioritic porphyrite body and dacitc porphyry body.

公婆泉铜矿矿体的赋矿围岩主要为石英闪长玢岩、花岗闪长斑岩和英安斑岩，这些含铜斑岩体形成于晚志留-早泥盆世板块俯冲碰撞过程中，受断裂和火山机构控制。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。